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Marc Mutz authored
This is in preparation of adding -Wzero-as-null-pointer-constant (or similar) to the headers check. Task-number: QTBUG-45291 Change-Id: I16c93bd36c242a6d402cf7622820e91eac782772 Reviewed-by:Sean Harmer <sean.harmer@kdab.com>
db5e672a
/******************************************************************************** Copyright (C) 2015 The Qt Company Ltd.** Contact: http://www.qt.io/licensing/**** This file is part of the QtOpenGL module of the Qt Toolkit.**** $QT_BEGIN_LICENSE:LGPL21$** Commercial License Usage** Licensees holding valid commercial Qt licenses may use this file in** accordance with the commercial license agreement provided with the** Software or, alternatively, in accordance with the terms contained in** a written agreement between you and The Qt Company. For licensing terms** and conditions see http://www.qt.io/terms-conditions. For further** information use the contact form at http://www.qt.io/contact-us.**** GNU Lesser General Public License Usage** Alternatively, this file may be used under the terms of the GNU Lesser** General Public License version 2.1 or version 3 as published by the Free** Software Foundation and appearing in the file LICENSE.LGPLv21 and** LICENSE.LGPLv3 included in the packaging of this file. Please review the** following information to ensure the GNU Lesser General Public License** requirements will be met: https://www.gnu.org/licenses/lgpl.html and** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.**** As a special exception, The Qt Company gives you certain additional** rights. These rights are described in The Qt Company LGPL Exception** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.**** $QT_END_LICENSE$******************************************************************************/#ifndef QGLBUFFER_H#define QGLBUFFER_H#include <QtCore/qscopedpointer.h>#include <QtOpenGL/qgl.h>QT_BEGIN_NAMESPACEclass QGLBufferPrivate;class Q_OPENGL_EXPORT QGLBuffer{public: enum Type { VertexBuffer = 0x8892, // GL_ARRAY_BUFFER IndexBuffer = 0x8893, // GL_ELEMENT_ARRAY_BUFFER PixelPackBuffer = 0x88EB, // GL_PIXEL_PACK_BUFFER PixelUnpackBuffer = 0x88EC // GL_PIXEL_UNPACK_BUFFER }; QGLBuffer(); explicit QGLBuffer(QGLBuffer::Type type); QGLBuffer(const QGLBuffer &other); ~QGLBuffer(); QGLBuffer &operator=(const QGLBuffer &other); enum UsagePattern { StreamDraw = 0x88E0, // GL_STREAM_DRAW StreamRead = 0x88E1, // GL_STREAM_READ StreamCopy = 0x88E2, // GL_STREAM_COPY StaticDraw = 0x88E4, // GL_STATIC_DRAW StaticRead = 0x88E5, // GL_STATIC_READ StaticCopy = 0x88E6, // GL_STATIC_COPY7172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120
DynamicDraw = 0x88E8, // GL_DYNAMIC_DRAW
DynamicRead = 0x88E9, // GL_DYNAMIC_READ
DynamicCopy = 0x88EA // GL_DYNAMIC_COPY
};
enum Access
{
ReadOnly = 0x88B8, // GL_READ_ONLY
WriteOnly = 0x88B9, // GL_WRITE_ONLY
ReadWrite = 0x88BA // GL_READ_WRITE
};
QGLBuffer::Type type() const;
QGLBuffer::UsagePattern usagePattern() const;
void setUsagePattern(QGLBuffer::UsagePattern value);
bool create();
bool isCreated() const;
void destroy();
bool bind();
void release();
static void release(QGLBuffer::Type type);
GLuint bufferId() const;
int size() const;
bool read(int offset, void *data, int count);
void write(int offset, const void *data, int count);
void allocate(const void *data, int count);
inline void allocate(int count) { allocate(Q_NULLPTR, count); }
void *map(QGLBuffer::Access access);
bool unmap();
private:
QGLBufferPrivate *d_ptr;
Q_DECLARE_PRIVATE(QGLBuffer)
};
QT_END_NAMESPACE
#endif